High performance ternary organic solar cells due to favored interfacial connection by a non-fullerene electron acceptor with cross-like molecular geometry

Valerii Sharapov; Qinghe Wu; Andriy Neshchadin; Donglin Zhao; Zhengxu Cai; Wei Chen; Luping Yu

doi:10.1021/acs.jpcc.8b03013

High performance ternary organic solar cells due to favored interfacial connection by a non-fullerene electron acceptor with cross-like molecular geometry

Valerii Sharapov, Qinghe Wu, Andriy Neshchadin, Donglin Zhao, Zhengxu Cai, Wei Chen, Luping Yu^*

^*此作品的通讯作者

科研成果: 期刊稿件 › 文章 › 同行评审

17 引用（Scopus）

摘要

The non-fullerene electron acceptor, TPB, exhibits a unique cross-like molecular geometry which helps it to stay preferentially at the interfaces between PTB7-Th and PC₇₁BM, when it is used as the third component in ternary OPV cells. The four PDI units connected to TPB's core provide multiple contact points between PTB7-Th and PC₇₁BM phases, thus facilitating interfacial charge extraction and improving the overall PCE to 10.6% from 9.8% after 10% TPB was added as the third component. This paper describes detailed experimental results and a model to explain these observations.

源语言	英语
页（从-至）	11305-11311
页数	7
期刊	Journal of Physical Chemistry C
卷	122
期	21
DOI	https://doi.org/10.1021/acs.jpcc.8b03013
出版状态	已出版 - 31 5月 2018
已对外发布	是

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Sharapov, V., Wu, Q., Neshchadin, A., Zhao, D., Cai, Z., Chen, W., & Yu, L. (2018). High performance ternary organic solar cells due to favored interfacial connection by a non-fullerene electron acceptor with cross-like molecular geometry. Journal of Physical Chemistry C, 122(21), 11305-11311. https://doi.org/10.1021/acs.jpcc.8b03013

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abstract = "The non-fullerene electron acceptor, TPB, exhibits a unique cross-like molecular geometry which helps it to stay preferentially at the interfaces between PTB7-Th and PC71BM, when it is used as the third component in ternary OPV cells. The four PDI units connected to TPB's core provide multiple contact points between PTB7-Th and PC71BM phases, thus facilitating interfacial charge extraction and improving the overall PCE to 10.6% from 9.8% after 10% TPB was added as the third component. This paper describes detailed experimental results and a model to explain these observations.",

author = "Valerii Sharapov and Qinghe Wu and Andriy Neshchadin and Donglin Zhao and Zhengxu Cai and Wei Chen and Luping Yu",

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AU - Sharapov, Valerii

AU - Wu, Qinghe

AU - Neshchadin, Andriy

AU - Zhao, Donglin

AU - Cai, Zhengxu

AU - Chen, Wei

AU - Yu, Luping

PY - 2018/5/31

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AB - The non-fullerene electron acceptor, TPB, exhibits a unique cross-like molecular geometry which helps it to stay preferentially at the interfaces between PTB7-Th and PC71BM, when it is used as the third component in ternary OPV cells. The four PDI units connected to TPB's core provide multiple contact points between PTB7-Th and PC71BM phases, thus facilitating interfacial charge extraction and improving the overall PCE to 10.6% from 9.8% after 10% TPB was added as the third component. This paper describes detailed experimental results and a model to explain these observations.

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High performance ternary organic solar cells due to favored interfacial connection by a non-fullerene electron acceptor with cross-like molecular geometry

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